Data Transmission Flashcards
1
Q
What is analogue?
A
Lots of different versions of information. The amplitude and frequency of analogue signals varies continuously and has lots of different values
2
Q
What is digital?
A
Coded pulses and have only two values
3
Q
What are some of the advantages for digital?
A
Higher quality Lots more information can be sent Digital doesn't have as much interference Predictable shape Can remove interference easily
4
Q
What is interference?
A
When two or more waves of a signal frequency meet, they can create one combined signal with the new amplitude
5
Q
What is a signal?
A
Organised information
